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Mexican Paper - Notes on the Mines and Minerals of Guanajuato, Mexico
By William P. Blake
The ancient city of Guanajuato, the capital of the State of that name, has been built up and sustained chiefly by the milling industry based upon the veins of the Veta Madre and La Luz. It is distant
Jan 1, 1902
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Metallogenic Concepts in Gaspé
By R. Marleau, R. Assad, J. Dugas
"A study of the geological features of known occurrences of mineralization in Gaspe is the basis for a classification. Nickel, chromite, asbestos and some copper are pre-or syn-Taconic, whereas the mo
Jan 1, 1969
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A Review Of The Technology Of Glass Recovery From MSW ? Introduction
By Hugh R. Rhys
The question of the desirability of recovering cullet from MSW in order to recycle it into the manufacturing of glass containers remains a controversial one. The main factors appear to be: 1. The pos
Jan 1, 1975
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Republic Steel's Operations at Port Henry, Mineville, and Fisher Hill
By Linney, Robert J.
REPUBLIC Steel Corporation's iron-ore properties in the Adirondacks consist of mines, mills, and sintering plants in the Mineville and Port Henry area and at Lyon Mountain. This article will deal
Jan 1, 1943
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The Effect of Immediate Strata on Pillar Behavior in Retreat Pillaring-- A Case Study
By A. W. Khair
This paper deals with the analysis of pillar failure in a room and pillar mining operation of a deep underground coal mine. The incident here involved the failure of more than 100 pillars. The mechan
Jan 1, 1986
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The Need For Innovation In Arid Land Reclamation
By S. Grogan
Next year marks the tenth anniversary of the Surface Mining Control and Reclamation Act (SMCRA). As the U.S. coal industry scrambles to cope with serious economic difficulties, it is appropriate to ex
Jan 1, 1986
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A visit to the research on Wits-Ehac index and its relationship to inherent coal properties for Witbank Coalfied - Synopsis
By S. Uludag
Spontaneous combustion of coal has been studied by laboratory techniques using an apparatus in a small-scale laboratory testing. Coal?s inherent characteristics can be measured using Differential Ther
Jan 1, 2007
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TPM (Total Productive Mining)
By G. Budge
In the extractive industry the term ‘continuous improvement’ (CI) usually means procurement of the latest state of the art equipment. This is generally perceived as the only way to add further value
Jan 1, 2001
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The Application of Crushers and Screens in the Mining Industry: More Art than Science
By Fernando Romero Lage
"Crushing and screening theory and application has remained fairly consistent in the last 50 years. The application of such equipment is guided by varied formulaic conventions and rules that due to th
Jan 1, 2010
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Mohawk Garnet
By Jim Sadowski, Steve Stewart, Bob McMurdy, Martin Nevens
"Mohawk Garnet has been operating a small pilot plant near Sudbury, Ontario for several years attempting to produce commercially viable garnet. The challenges of operating a pilot scale mining, proces
Jan 1, 2010
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Pertinent Oil and Gas Legislation of 1935
By Eugene A. Stephenson
THE year 1935 is noteworthy for the superior legislative measures passed by several states. Sincere efforts have been made to establish equity between the various producing tracts in oil and gas field
Jan 1, 1935
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RI 5530 Manganese Deposits Of The Olympic Peninsula, Wash. ? Introduction And Summary
By E. A. Magill
This report is one of a series prepared by the Bureau of Mines on manganese deposits of the Northwestern States. It describes properties on the Olympic Peninsula, Wash. Exploration by the Federal
Jan 1, 1960
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Subsidence monitoring at a shallow partial extraction room-and-pillar mine in midwestem United State
By Yoginder P. Chugh
Subsidence may be observed above partial extraction shallow room-and-pillar mines where the coal seam(s) is associated with weak and thick claystone in the floor. This paper presents results of subsid
Jan 1, 1989
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Increasing Availability through Advanced Gearless Drive Technology
By C. Dirscherl, M. Combes
"Declining ore grade, leading to increased material transport and plant throughput requirements, is one of the major challenges in the current mining environment. This is accompanied by rising energy
Jan 1, 2014
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Paragénesis y distribución de minerales y metales en la veta principal de San Cristóbal
By C. M. Wright
Siendo la veta principal San Cristóbal, una de las estructuras que atraviesan el Anticlinal Chumpe en la provincia de Yauli, su explotación ha sido limitada a las rocas volcánicas y filitas en el flan
Aug 20, 1963
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Introduction - The Mission (d439b491-33fd-4640-99fe-5d6117d022a1)
The Bureau of Mines is responsible for a broad spectrum of programs for meeting the diverse and changing mineral resource needs of the Nation. These programs are managed by the Director and two Deputy
Jan 1, 1981
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Concepts And Measurement Of The Mechanical Properties Of Rock ? Introduction
By H. R. Hardy
Whether the mining engineer is concerned with stress problems in a mine at depth, the development of a new drill bit, or the efficiency of a comminution process, the mechanical properties of the rock
Jan 1, 1964
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Investigations into the residual strength of a 2.5 m wide Bushveld Merensky Reef crush pillar - Synopsis
By B. P. Watson
The first crush pillars on the Bushveld platinum mines were introduced at Union Section in 1978. Before the introduction of crush pillars, serious problems were experienced when stoping advanced to a
Jan 1, 2008
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RI 6331 Willett Range Coal Deposits, Mackay Glacier Area, Victoria Land, Antarctica
By John J. Mulligan
Coalbeds were discovered in outcroppings of the Beacon group of sediments on the north end of the Willett Range ( altitude 77 ° 11 ' S , longitude 160 ° 20 ' E ) , Victoria Land , Antarctica , in Dece
Jan 1, 1963
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An analysis of roof-pillar-weak floor interaction in partial extraction room-and-pillar mining
By W. M. Pytel
The applicability of the beam theory in analysis of roof- pillar-weak floor interaction in partial extraction room-and-pillar mining is presented. The mine structure is modeled as an equivalent multi-
Jan 1, 1989